JPH0216426U - - Google Patents
Info
- Publication number
- JPH0216426U JPH0216426U JP1988095583U JP9558388U JPH0216426U JP H0216426 U JPH0216426 U JP H0216426U JP 1988095583 U JP1988095583 U JP 1988095583U JP 9558388 U JP9558388 U JP 9558388U JP H0216426 U JPH0216426 U JP H0216426U
- Authority
- JP
- Japan
- Prior art keywords
- disc
- information signal
- thin film
- ceramic substrate
- shaped ceramic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000758 substrate Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 2
- 239000010408 film Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988095583U JPH0216426U (en]) | 1988-07-19 | 1988-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988095583U JPH0216426U (en]) | 1988-07-19 | 1988-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0216426U true JPH0216426U (en]) | 1990-02-01 |
Family
ID=31320264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988095583U Pending JPH0216426U (en]) | 1988-07-19 | 1988-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0216426U (en]) |
-
1988
- 1988-07-19 JP JP1988095583U patent/JPH0216426U/ja active Pending